GATE VALVE is a device to isolate the flow of medium in both directions. In a robust body two nos. body seat ring are fitted in the flow path. A wedge moves inside the body guided by integral channel. The stem & stem nut engage the wedge properly. At the time of wedging action the contracting seating surface effect the sealing and ensuring leak proof sealing. In full open position it facilitate clear uninterrupted full bore flow path resulting minor / low headloss.